| Floor-Tec Norge A/S | Wholesale & retail | 1983 |
| Flow Elektro Oslo Vest AS | Construction | 2021 |
| Flow Meisingset VVS AS | Construction | 2016 |
| Fredrik Stangs GT 1 AS | | 2018 |
| Fyr AS | Financial services | 2002 |
| Førstemann Til Mølla AS | | 2024 |
| G S Consult AS | Wholesale & retail | 1985 |
| Gallagher & Robertson AS | Information & communication | 1982 |
| Gallerix AS | Wholesale & retail | 2011 |
| Gaupe Aktiv AS | Real estate | 2020 |
| Geonor AS | Wholesale & retail | 1957 |
| Goincourt AS | | 2020 |
| Govi Holding AS | | 2022 |
| Grangård Bil Ans | Wholesale & retail | 1997 |
| Green Tundra AS | | 2020 |
| Grimelundlåven AS | Real estate | 2017 |
| Grini Næringspark 6 AS | Real estate | 2020 |
| Grini Senter AS | Real estate | 2007 |
| Grünerløkka Eiendom AS | Real estate | 2016 |
| Guardson Nordic AS | | 2014 |
| Gåra Arkitektur AS | Professional & scientific | 2025 |
| Habitat Entreprenør AS | Real estate | 2020 |
| Hala AS | | 2015 |
| Hanba AS | Real estate | 1980 |
| Hansen Bakeribygg AS | Real estate | 2012 |
| Harburg AS | Professional & scientific | 2005 |
| Harry Borthen & Co AS | Transport & logistics | 1924 |
| Hasselodden AS | Professional & scientific | 2004 |
| Haugen Eiendomsinvest AS | Real estate | 2024 |
| Hedda Holding AS | | 2018 |
| Helgesensgate 44 AS | Real estate | 2011 |
| Helleveien 2 AS | Real estate | 2020 |
| Henoso AS | | 2025 |
| Hergot Holding AS | Real estate | 2006 |
| Heyerdahl Major Holding AS | | 2025 |
| Hoddevik Invest AS | | 2026 |
| Holdco Play AS | Wholesale & retail | 2021 |
| Holtet & Westgaard Bygg AS | Construction | 2025 |
| Horn Fysioterapi AS | Health & social care | 2025 |
| Hosletoppen Invest AS | Real estate | 2006 |
| Hotelecom AS | Wholesale & retail | 1991 |
| Hulda Tronstad AS | Real estate | 2021 |
| Husby Taxi AS | Transport & logistics | 2025 |
| Hydrosurf AS | Professional & scientific | 2006 |
| Håkons Gate 12 Holding AS | Real estate | 2026 |
| Hønefoss Bolig AS | | 2025 |
| Hønefoss Boligeiendom Holding AS | | 2025 |
| Høvik Bilglass AS | Other services | 2021 |
| Iao AS | Professional & scientific | 2010 |
| Ifb AS | Information & communication | 2022 |
| Implantscan AS | Wholesale & retail | 2006 |
| Inbiz AS | Professional & scientific | 2015 |
| Infospine AS | Information & communication | 2000 |
| Inger Skjold Bratli Holding AS | Health & social care | 2024 |
| Ingrid Nedrebo Coaching AS | Education | 2022 |
| Inherit Carbon Solutions AS | Professional & scientific | 2021 |
| Innova Bygg AS | Construction | 1990 |
| Investeringshaugen AS | | 2025 |
| Italian House of Norway AS | Wholesale & retail | 1979 |
| Ivå AS | Information & communication | 2021 |
| J.P Invest AS | | 2024 |
| Jaktkollen Holding AS | | 2024 |
| Jam Venture AS | Professional & scientific | 2022 |
| Jawa Maskin AS | Wholesale & retail | 2003 |
| Jolis Invest AS | Transport & logistics | 1990 |
| Jump Dansestudio Nuf | Arts & recreation | 2008 |
| JWM Holding AS | Wholesale & retail | 2005 |
| Jærv Holding AS | | 2021 |
| Jø Holding AS | Construction | 2013 |
| Kabaa Invest AS | | 2021 |
| Kaos Invest AS | Real estate | 2022 |
| Kips AS | Real estate | 2016 |
| Kir AS | Real estate | 1996 |
| Kjeller Teknologipark AS | Real estate | 1999 |
| Klingsholm AS | Professional & scientific | 2017 |
| Knoph Rådgivning AS | Professional & scientific | 2012 |
| Knumo AS | Real estate | 2015 |
| Kubexto AS | Real estate | 2012 |
| Kvadrat AS | Professional & scientific | 2026 |
| Kynna AS | Real estate | 2019 |
| L. TH. Wiborg AS | Financial services | 1972 |
| Lachmannsvei Panorama 2 AS | Construction | 2019 |
| Lads Invest AS | | 2025 |
| Lama Invest AS | | 2003 |
| Langeskavlstind Invest AS | Real estate | 2021 |
| Langrabben AS | Financial services | 2018 |
| Leilighetsexperten AS | Construction | 2020 |
| Lemonsjøen Eiendom AS | Real estate | 2005 |
| Lemonsjøen Hytteutleie AS | Real estate | 2025 |
| LGN Holding AS | Real estate | 2017 |
| Lido Invest AS | Administrative & support | 2005 |
| Ljungren Regnskap AS | Professional & scientific | 2000 |
| Lod Holding AS | Information & communication | 2018 |
| Lumbridge AS | | 2025 |
| Lyng Cabins No AS | Hospitality | 2026 |
| Lønnås Legesenter Da | Health & social care | 2018 |
| M&M Regnskap AS | Professional & scientific | 1994 |
| M4 Entreprenør AS | Construction | 2020 |
| Mab Invest AS | Real estate | 1991 |
| Macky's Bakeri AS | Wholesale & retail | 2022 |